 | 1898 - 356 páginas
...leached, ignited, fused with acid potassium sulphate, reprecipitated by ammonia, and weighed as ZrO]. Certainty as to its identity can be had by again bringing...turmeric paper. With the very smallest amounts no colour can be obtained by the turmeric paper test, which, however, is readily available for as little... | |
 | 1901 - 392 páginas
...leached, ignited, fused with acid potassium sulphate, re-precipitated by ammonia, and weighed as ZrOj. Certainty as to its identity can be had by again bringing...to a drop or two; and testing with turmeric paper or by a microchemical reaction. With the very smallest amounts no colour can be obtained by this turmeric-paper... | |
 | Frank Wigglesworth Clarke, William Francis Hillebrand - 1897 - 342 páginas
...the small amounts usually met with it is safe to assume that it contains 50 per cent of ZrO2 (51.8 by theory). If the amount is rather large, it may...and with the proper care for as small an amount as 0.3 milligram (Dr. HN Stokes). No element other than thorium is ever likely to contaminate the ZrO2... | |
 | Marcus Baker - 1900 - 350 páginas
...the small amounts usually met with it is safe to assume that it contains 50 per cent of ZrO2 (51.8 by theory). If the amount is rather large, it may...to a drop or two, and testing with turmeric paper or by a microchemical reaction. With the very smallest amounts no color can be obtained by this turmeric-paper... | |
 | 1907 - 874 páginas
...leached, ignited, fused with acid potassium sulphate, reprecipitated by ammonia, and weighed as ZrO,. Certainty as to its identity can be had by again bringing...to a drop or two, and testing with turmeric paper or by a microchemical reaction. With the very smallest amounts no color can be obtained by this turmeric-paper... | |
 | Henry Gannett - 1906 - 644 páginas
...assume that it contains 50 per cent of ZrO2 (51.8 by theory). If the amount is rather large, it maybe fused with sodium carbonate, leached, ignited, fused...to a drop or two, and testing with turmeric paper or by a microchemical reaction. With the very smallest amounts no color can be obtained by this turmeric-paper... | |
 | William Francis Hillebrand - 1907 - 212 páginas
...the small amounts usually met with it is safe to assume that it contains 50 per cent of ZrO2 (5 1.8 by theory). If the amount is rather large, it may...to a drop or two, and testing with turmeric paper or by a microchemical reaction. With the very smallest amounts no color can be obtained by this turmeric-paper... | |
 | William Francis Hillebrand - 1910 - 252 páginas
...fuse with sodium carbonate, leach, ignite, fuse with pyrosulphate, reprecipitate by ammonia, and weigh as ZrO2. Certainty as to its identity can be had by...to a drop or two, and testing with turmeric paper or by a microchemical reaction. With the very smallest amounts no color can be obtained by this turmeric-paper... | |
 | Samuel Stinson Gannett, David Henry Baldwin - 1910 - 490 páginas
...sodium carbonate, leach, ignite, fuse with pyrosulphalc, reprccipitate by ammonia, and weigh asZrOj. Certainty as to its identity can be had by again bringing...evaporating to a drop or two, and testing with turmeric paperor by a microchemical reaction. With the very smallest amounts no color can be obtained by this... | |
 | John Milton Nickles - 1919 - 586 páginas
...Fuse with sodium carbonate, leach, ignite, fuse with pyrosulphate, reprecipitate by ammonia, and weigh as ZrO2. Certainty as to its identity can be had by...to a drop or two, and testing with turmeric paper or by a microchemical reaction. With the very smallest amounts no color can be obtained by this turmeric-paper... | |
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... as ZrO2. Certainty as to its identity can be had by again bringing it into solution, precipitating by ammonia, dissolving in hydrochloric acid, evaporating to a drop or two, and testing with turmeric paper or by a microchemical reaction. With the... 